Views : 1,413,675
Genre: Science & Technology
Date of upload: Mar 4, 2020 ^^
Rating : 4.922 (642/32,292 LTDR)
RYD date created : 2022-04-09T19:09:15.560831Z
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Top Comments of this video!! :3
This is a common issue with forming dies. You were on to something when you said the die was in tension. To overcome this issue you can press fit the brittle material like tool steel, carbide or plastic into an outer ring. The key is to preload the die cavity further than it would naturally stretch during the bending operation. This prevents the tool material from goin into tension. The best way to do this is to add some draft angle to the die insert and make the opposite shape in the outer ring that is smaller by the amount of compression you need. You would then press the insert into the ring to achieve the interference desired. If you get it right the die will not split. You would then be limited by the compressive strength of your tool material.
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I’m watching all of your videos and I have seen the evolution from how you film them and I must say the newer videos are much more attention holding and entertaining while maintaining all of the cool machining and knowledge. I’m glad you read and take consideration into comments from your viewers. It has made viewing even more enjoyable =)
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Quick audio suggestion: I've noticed in many of your videos that your compressor successfully cuts in whenever you drop a part on the bench to avoid an overly loud bang, however the release time is quite long so your voice is too soft for a moment after each time you do this. If you reduce the release time by 100-200 ms it should fix this. Additionally prepend a high pass filter with a well chosen low cutoff frequency before the compressor, and you will have less power in the bang of a dropped part which will help keep that out of your final audio without removing too many low frequency harmonics from your voice or the other interesting sound you want to keep in videos like these.
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just started to watch this vid.. i am a former engineer at Panasonic America. I worked on the cowling for the Boeing 777 Rolls Royce Engines, which is aluminum based metallurgy. The molecular work is the same for ferrous metals. Get the metal in a form where the molecules become fluid, and then move them to their max position, anneal the base metal, and repeat.. if you are doing all your work at STP, and do not ever anneal, you are "wrecking" the structures that you want saved for the final product. Ie.. it takes 20 process steps to move aluminum 1/4 of an inch, 3D. But, once you get there.. best possible product, which will not shear and fissure apart with micro vibrations.. love your stuff..
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12:49 you missed a golden opportunity to say "that die has died"
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@Stuff Made Here Happy one year since your first YouTube video upload. Wishing you a very happy and successful decades to come of building, designing, programming and bringing enjoyment to millions. I will be following your YouTube career closely and permanently. Thanks for your hard work and excellent content. You're appreciated to infinity and beyond. Cheers
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Subscribed.
Your sheer determination was awesome to watch on this project.
Looking at the press footage I'd say the main issues are aligning the downward force equally across the piece.
What you said about multiple passes or stages of forming could definitely be the trick to get a square finish over all the bends.
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@court2379
4 years ago
I have to laugh at the $50 in resin used to fix a $30 saw, but obviously that wasn't the point. Great demonstration, I wouldn't have thought it would hold up as well as it did.
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